145877387 has 2 divisors, whose sum is σ = 145877388. Its totient is φ = 145877386.

The previous prime is 145877363. The next prime is 145877401. The reversal of 145877387 is 783778541.

It is a happy number.

145877387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145877387 - 2¹⁰ = 145876363 is a prime.

It is not a weakly prime, because it can be changed into another prime (145877317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72938693 + 72938694.

It is an arithmetic number, because the mean of its divisors is an integer number (72938694).

Almost surely, 2^145877387 is an apocalyptic number.

145877387 is a deficient number, since it is larger than the sum of its proper divisors (1).

145877387 is an equidigital number, since it uses as much as digits as its factorization.

145877387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 50.

The square root of 145877387 is about 12077.9711458506. The cubic root of 145877387 is about 526.4162961449.

The spelling of 145877387 in words is "one hundred forty-five million, eight hundred seventy-seven thousand, three hundred eighty-seven".